The mt76 driver uses the structures and enums from this header file. We
are not activating this feature on older kernel versions, but allow to
build the mt76 driver.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
.../linux/soc/mediatek/mtk_wed.h | 58 +++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 backport/backport-include/linux/soc/mediatek/mtk_wed.h
diff --git a/backport/backport-include/linux/soc/mediatek/mtk_wed.h b/backport/backport-include/linux/soc/mediatek/mtk_wed.h
new file mode 100644
index 00000000..46caa89f
--- /dev/null
+++ b/backport/backport-include/linux/soc/mediatek/mtk_wed.h
@@ -0,0 +1,58 @@
+#ifndef __BACKPORT_MTK_WED_H
+#define __BACKPORT_MTK_WED_H
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_GEQ(5,19,0)
+#include_next <linux/soc/mediatek/mtk_wed.h>
+#else
+#include <linux/kernel.h>
+#include <linux/rcupdate.h>
+#include <linux/regmap.h>
+#include <linux/pci.h>
+
+#define MTK_WED_TX_QUEUES 2
+
+struct mtk_wed_hw;
+struct mtk_wdma_desc;
+
+enum mtk_wed_bus_tye {
+ MTK_WED_BUS_PCIE,
+ MTK_WED_BUS_AXI,
+};
+
+struct mtk_wed_ring {
+ struct mtk_wdma_desc *desc;
+ dma_addr_t desc_phys;
+ u32 desc_size;
+ int size;
+
+ u32 reg_base;
+ void __iomem *wpdma;
+};
+
+struct mtk_wed_device {
+
+};
+
+static inline int
+mtk_wed_device_attach(struct mtk_wed_device *dev)
+{
+ return -ENODEV;
+}
+
+static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
+{
+ return false;
+}
+#define mtk_wed_device_detach(_dev) do {} while (0)
+#define mtk_wed_device_start(_dev, _mask) do {} while (0)
+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_reg_read(_dev, _reg) 0
+#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
+#define mtk_wed_device_irq_get(_dev, _mask) 0
+#define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
+
+#endif /* >= 5.19.0 */
+
+#endif /* __BACKPORT_MTK_WED_H */
--
2.45.2
